2 Goblin Dark-Dwellers
4 Insolent Neonate
4 Thermo-Alchemist
4 Thunderbreak Regent
4 Collective Defiance
2 Exquisite Firecraft
4 Incendiary Flow
3 Draconic Roar
4 Fiery Impulse
4 Fiery Temper
3 Geier Reach Sanitarium
21 Mountain
1 Bedlam Reveler
Sideboard
2 Goblin Dark-Dwellers
2 Chandra, Fire of Kaladesh
1 Dual Shot
1 Lightning Axe
4 Rending Volley
1 Seismic Rupture
2 Twin Bolt
2 Weaver of Lightning